【单选题】Which of the following documents is not mentioned for export customs clearance?
D.
Certificate of inspection
【单选题】磷酸丙糖异构酶催化 3- 磷酸 - 甘油醛( G3P )与磷酸二羟丙酮( DHAP )的互变异构。设 G3P →DHAP 的速率常数为 k 1 , 反应的Δ G‘ ° = 7.65 kJ/mol , DHAP → G3P 的速率常数为 k 2 , 根据这些信息,下列结论中正确的是
A.
标准条件下 G3P → DHAP 是自发进行的
D.
平衡时 DHAP → G3P 的反应速率要高于 G3P → DHAP
【多选题】Inspection and quarantine documents required for export goods include: ( ).
A.
foreign trade contract
【单选题】以下烹饪流派中,按照从地域角度划分的是( )。
【多选题】Inspection and quarantine documents required for export goods include ( ).
A.
foreign trade contract
D.
factory inspection list
【单选题】至少具备下列哪种结构,蛋白质才有生物活性
【单选题】Declaration documents, import and export documents, contracts and other data directly related to import and export transactions shall be retained for ______ effective from the date of release of impor...
【单选题】已知P 2 O 5 可与冷水反应生成HPO 3 (偏磷酸),根据其他已学过的知识判断下列叙述正确的是……( )
A.
HPO 3 与H 3 PO 4 互为同素异形体
D.
HPO 3 与H 3 PO 4 都是中等强度的三元酸